Fix win32 docs build, use *ONLY* the bundled ant

git-svn-id: https://svn.apache.org/repos/asf/httpd/docs-build/trunk@908487 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build.bat b/build.bat
index e479d6e..5a7f60a 100644
--- a/build.bat
+++ b/build.bat
@@ -27,7 +27,7 @@
 REM   - set java stack size to 128 MB
 REM   - lower down verbosity (because the foreach task would be _very_ verbose
 REM     otherwise)
-REM   - lcp.bat is found in bin/ (NOT IN lib/ FOR 1.7 and later!!!)
+REM   - use only bundled ant!
 REM
 REM   (don't know whether this all works unter win9x; tested on win2k) --nd
 
@@ -40,6 +40,9 @@
 rem raise stack size ...
 set ANT_OPTS=-Xmx128m -mx128m
 
+set SAVE_ANT_HOME=%ANT_HOME%
+set ANT_HOME=
+
 rem set classpath
 set CLASSPATH=lib
 
@@ -76,7 +79,7 @@
 :checkJava
 set _JAVACMD=%JAVACMD%
 set LOCALCLASSPATH=%CLASSPATH%
-for %%i in ("%ANT_HOME%\lib\*.jar") do call "%ANT_HOME%\bin\lcp.bat" %%i
+for %%i in ("%ANT_HOME%\lib\*.jar") do call "%ANT_HOME%\lib\lcp.bat" %%i
 
 if "%JAVA_HOME%" == "" goto noJavaHome
 if not exist "%JAVA_HOME%\bin\java.exe" goto noJavaHome
@@ -101,6 +104,7 @@
 set LOCALCLASSPATH=
 set _JAVACMD=
 set ANT_CMD_LINE_ARGS=
+set ANT_HOME=%SAVE_ANT_HOME%
 
 if "%OS%"=="Windows_NT" @endlocal